mac80211: (selectively) add HT details in radiotap
Add a flag for the HT format (mixed vs. greenfield)
to allow drivers to report that on receive. Not all
drivers will do that though, so allow drivers to set
which radiotap MCS details they report.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index d5ac02f..489093b 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -204,14 +204,14 @@
if (status->flag & RX_FLAG_HT) {
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_MCS);
- *pos++ = IEEE80211_RADIOTAP_MCS_HAVE_MCS |
- IEEE80211_RADIOTAP_MCS_HAVE_GI |
- IEEE80211_RADIOTAP_MCS_HAVE_BW;
+ *pos++ = local->hw.radiotap_mcs_details;
*pos = 0;
if (status->flag & RX_FLAG_SHORT_GI)
*pos |= IEEE80211_RADIOTAP_MCS_SGI;
if (status->flag & RX_FLAG_40MHZ)
*pos |= IEEE80211_RADIOTAP_MCS_BW_40;
+ if (status->flag & RX_FLAG_HT_GF)
+ *pos |= IEEE80211_RADIOTAP_MCS_FMT_GF;
pos++;
*pos++ = status->rate_idx;
}
